Off-pump CABG is associated with significant reduction in intraoperative mediastinal blood loss and homologous transfusion requirements. Autologous transfusion of salvaged washed mediastinal blood reduced homologous transfusion significantly in the on-CPB group. Cell saver caused no significant adverse impact on coagulation parameters in on- or off-CPB CABG. Postoperative morbidity and blood loss were not affected by the use of CPB or autologous blood transfusion. We recommend the use of autologous blood transfusion in both on- and off-pump CABG surgery.

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We have shown that coronary angiography did not affect the occurrence of CABG and was not associated with improved hospital survival. Furthermore, there is a considerable delay to surgery caused by angiography. Therefore in this setting coronary angiography is not recommended.

Septal myectomy is a safe procedure resulting in symptomatic improvement in the majority of patients. The annual incidence of non-fatal disease-related complications after surgical treatment of LVOTO is relatively high. Patients who underwent MV replacements had poorer outcomes with less symptomatic benefit in spite of a similar reduction in LVOT gradients.

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